MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517091355 A) filed by Nippon Steel Corporation, Tokyo, on Sept. 24, for 'surface-treated steel sheet.'

Inventor(s) include Kawamura, Yasuaki; Fujii, Takashi; Toshin, Kunihiko; Ueno, Shin; and Ueda, Daichi.

The application for the patent was published on Oct. 10, under issue no. 41/2025.

According to the abstract released by the Intellectual Property India: "Provided is a surface-treated steel sheet comprising a Zn-Al-Mg plated steel sheet having a plating amount of 20-60 g/m2 per one surface and a coating film disposed on at least one main surface of the Zn-Al-Mg plated steel sheet, wherein the coating film comprises a binder resin, doped zinc oxide particles, and a rust preventive, the coating film has an average film thickness of 0.5-3 m, the doped zinc oxide particles have an average particle diameter of 0.1-2 m, the content of the doped zinc oxide particles is 20-40 mass% with respect to the coating film, and the content of inorganic substances other than any Zn-containing compounds in the coating film is 0-1 mass% with respect to the coating film."

The patent application was internationally filed on Mar. 29, 2024, under International application No.PCT/JP2024/013330.

Disclaimer: Curated by HT Syndication.